Welcome and Thank you for choosing us! Please read the entire description to make sure this item will work for your vehicle. 
Part: engine computer
Part #: 56044668ae
Fitment: MANY (not all) 2000 Jeep Grand Cherokee models. This may fit other years/models as well. 
Condition: This is in good used condition with only some minor wear.
This will come with a 30 day warranty. Check with a dealer on if this will need to be programmed to your vehicle.
Verify interchange and match part numbers prior to bidding as this MAY or MAY NOT fit all vehicles in that year range. 
Thanks for looking!